227HSM035M Equivalent & Substitute Parts

Part Overview

The Cornell Dubilier/Illinois Capacitor 227HSM035M is a 220 µF, 35 V aluminum electrolytic capacitor in radial, can package configuration. This component is classified as obsolete, necessitating identification of active equivalent and substitute parts for ongoing design support and procurement. The 227HSM035M operates across a temperature range of -40°C to 125°C with a rated lifetime of 2000 hours at 125°C, serving general-purpose applications requiring through-hole radial capacitor mounting.

Key Parameters

Parameter	227HSM035M Value
Capacitance	220 µF
Voltage Rating	35 V
Tolerance	±20%
ESR @ 120 Hz	904 mOhm
Lifetime @ 125°C	2000 Hrs
Operating Temperature Range	-40°C ~ 125°C
Ripple Current @ 120 Hz	260 mA
Ripple Current @ 10 kHz	325 mA
Lead Spacing	0.197" (5.00 mm)
Case Diameter	0.394" (10.00 mm)
Height (Seated Max)	0.689" (17.50 mm)
Mounting Type	Through Hole
Package Type	Radial, Can
Polarization	Polar
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution of the 227HSM035M is determined by strict adherence to the following electrical and mechanical parameters:

Critical Matching Parameters:

Capacitance: 220 µF (exact match required)
Voltage Rating: 35 V minimum (equal or higher voltage rating acceptable)
Tolerance: ±20% (standard tolerance match)
Polarization: Polar (radial aluminum electrolytic)
Lead Spacing: 0.197" (5.00 mm) (exact match for PCB compatibility)
Case Diameter: 0.394" (10.00 mm) (exact match for mechanical fit)
Mounting Type: Through Hole (exact match required)
Package Type: Radial, Can (exact match required)

Performance Parameters Considered:

Operating Temperature Range: Minimum -40°C to 125°C required
Lifetime @ 125°C: Equal or greater than 2000 hours acceptable
Ripple Current Ratings: Equal or greater than specified values acceptable
ESR/Impedance: Lower values indicate improved performance

Substitute parts are grouped into three categories: Direct Equivalents (matching all critical parameters with equivalent performance), Upgrades (enhanced performance characteristics such as extended lifetime or improved ripple current handling), and Similar Parts (identical electrical specifications with packaging variations).

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Lifetime @ 125°C	Operating Temp Range	Lead Spacing	Case Diameter	Height (Max)	Product Status
227HSM035M	Cornell Dubilier / Illinois Capacitor	220 µF	35 V	±20%	2000 Hrs	-40°C ~ 125°C	0.197" (5.00 mm)	0.394" (10.00 mm)	0.689" (17.50 mm)	Obsolete
EEU-TA1V221	Panasonic Electronic Components	220 µF	35 V	±20%	2000 Hrs	-40°C ~ 125°C	0.197" (5.00 mm)	0.394" (10.00 mm)	0.669" (17.00 mm)	Active
EEU-TP1V221	Panasonic Electronic Components	220 µF	35 V	±20%	3000 Hrs	-40°C ~ 135°C	0.197" (5.00 mm)	0.394" (10.00 mm)	0.689" (17.50 mm)	Active
EGXL350ELL221MJ16S	Chemi-Con	220 µF	35 V	±20%	5000 Hrs	-40°C ~ 125°C	0.197" (5.00 mm)	0.394" (10.00 mm)	0.689" (17.50 mm)	Active
MAL214050221E3	Vishay Beyschlag/Draloric/BC Components	220 µF	35 V	±20%	3000 Hrs	-55°C ~ 125°C	0.197" (5.00 mm)	0.394" (10.00 mm)	0.689" (17.50 mm)	Active
MAL214060221E3	Vishay Beyschlag/Draloric/BC Components	220 µF	35 V	±20%	3000 Hrs	-55°C ~ 125°C	0.197" (5.00 mm)	0.394" (10.00 mm)	0.689" (17.50 mm)	Active
MAL214651221E3	Vishay Beyschlag/Draloric/BC Components	220 µF	50 V	±20%	2500 Hrs	-55°C ~ 125°C	0.197" (5.00 mm)	0.394" (10.00 mm)	0.689" (17.50 mm)	Active
MAL214661221E3	Vishay Beyschlag/Draloric/BC Components	220 µF	50 V	±20%	2500 Hrs	-55°C ~ 125°C	0.197" (5.00 mm)	0.394" (10.00 mm)	0.689" (17.50 mm)	Active
UBT1V221MPD8	Nichicon	220 µF	35 V	±20%	5000 Hrs	-40°C ~ 125°C	0.197" (5.00 mm)	0.394" (10.00 mm)	0.630" (16.00 mm)	Active
UBW1V221MPD	Nichicon	220 µF	35 V	±20%	2000 Hrs @ 135°C	-55°C ~ 135°C	0.197" (5.00 mm)	0.394" (10.00 mm)	0.709" (18.00 mm)	Active
EEU-TP1V221B	Panasonic Electronic Components	220 µF	35 V	±20%	3000 Hrs	-40°C ~ 135°C	0.197" (5.00 mm)	0.394" (10.00 mm)	0.689" (17.50 mm)	Active

Engineering Selection Recommendations

Direct Equivalent (35 V Rating, 2000 Hour Lifetime):

EEU-TA1V221 (Panasonic Electronic Components) provides direct functional equivalence to the 227HSM035M with identical electrical specifications and operating temperature range. This part is ROHS3 compliant and REACH unaffected, suitable for direct replacement in existing designs. The seated height of 0.669" (17.00 mm) is 0.020" lower than the original, which may require PCB layout verification in space-constrained applications.

Upgrade Options (Enhanced Lifetime Performance):

EEU-TP1V221 and EEU-TP1V221B (Panasonic Electronic Components, TP-A series) offer extended lifetime of 3000 hours at 125°C with expanded operating temperature range to 135°C. Both parts carry AEC-Q200 automotive qualification and ROHS3 compliance. The EEU-TP1V221B variant is supplied in cut tape packaging, while EEU-TP1V221 is supplied in bulk. These parts are mechanically and electrically compatible with the original 227HSM035M.

EGXL350ELL221MJ16S (Chemi-Con, GXL series) provides the highest lifetime rating at 5000 hours at 125°C with AEC-Q200 automotive qualification and ROHS3 compliance. Mechanical dimensions match the original part exactly.

UBT1V221MPD8 (Nichicon, UBT series) delivers 5000-hour lifetime at 125°C with lower impedance (94 mOhms) and improved ripple current handling. Seated height is 0.630" (16.00 mm), which is 0.059" lower than the original and requires PCB layout verification.

UBW1V221MPD (Nichicon, UBW series) provides 2000-hour lifetime at the elevated temperature of 135°C with extended operating range to -55°C. Seated height is 0.709" (18.00 mm), which is 0.020" higher than the original and may require clearance verification.

Higher Voltage Alternatives (50 V Rating):

MAL214651221E3 and MAL214661221E3 (Vishay Beyschlag/Draloric/BC Components, 146 RTI series) are rated at 50 V with 220 µF capacitance, providing voltage margin above the original 35 V specification. Both carry AEC-Q200 automotive qualification and ROHS3 compliance. These parts are suitable for applications where higher voltage rating provides design margin or where 50 V rated components are standardized in the design.

Extended Temperature Range Options:

MAL214050221E3 and MAL214060221E3 (Vishay Beyschlag/Draloric/BC Components, 140 RTM series) extend the lower operating temperature limit to -55°C while maintaining 35 V rating and 220 µF capacitance. Both offer 3000-hour lifetime at 125°C and ROHS3 compliance. These parts are suitable for applications requiring enhanced cold-temperature performance.

Frequently Asked Questions (FAQ)

Q: Can the EEU-TA1V221 be used as a direct replacement for the 227HSM035M?

A: Yes. The EEU-TA1V221 matches all critical electrical parameters (220 µF, 35 V, ±20% tolerance) and mechanical dimensions (0.197" lead spacing, 0.394" case diameter, through-hole radial mounting). The seated height difference of 0.020" is within typical PCB layout tolerances. Both parts operate across -40°C to 125°C and are ROHS3 compliant.

Q: What is the advantage of selecting an upgrade part like EEU-TP1V221 over the direct equivalent EEU-TA1V221?

A: The EEU-TP1V221 provides 3000-hour lifetime at 125°C compared to 2000 hours for the EEU-TA1V221, extending component reliability by 50%. The operating temperature range extends to 135°C, and AEC-Q200 automotive qualification is included. These enhancements are beneficial for applications requiring extended service life or automotive-grade reliability.

Q: Are the 50 V rated parts (MAL214651221E3, MAL214661221E3) suitable replacements for the 35 V original?

A: Yes. Higher voltage-rated capacitors are electrically compatible with lower voltage applications. The 50 V rating provides voltage margin and may improve reliability in applications with voltage transients. Mechanical dimensions and capacitance values are identical to the original. These parts are suitable when 50 V rated components are preferred for design standardization or when additional voltage margin is required.

Q: What is the significance of the height differences among substitute parts?

A: Seated height variations affect PCB layout and component clearance. The original 227HSM035M has a maximum seated height of 0.689" (17.50 mm). The EEU-TA1V221 is 0.020" shorter (0.669"), the UBT1V221MPD8 is 0.059" shorter (0.630"), and the UBW1V221MPD is 0.020" taller (0.709"). PCB layout verification is required when height differs from the original specification to ensure adequate clearance for adjacent components or enclosure constraints.

Q: Which substitute part offers the best performance for high-ripple-current applications?

A: The EGXL350ELL221MJ16S (Chemi-Con GXL series) provides the highest ripple current handling at 1.05 A at 100 kHz, combined with the longest lifetime of 5000 hours at 125°C. The EEU-TP1V221 and EEU-TP1V221B offer 945 mA at 100 kHz with 3000-hour lifetime. Selection depends on specific ripple current requirements and thermal environment.

Q: What is the difference between EEU-TP1V221 and EEU-TP1V221B?

A: Both parts are electrically and mechanically identical with 220 µF capacitance, 35 V rating, 3000-hour lifetime at 125°C, and AEC-Q200 qualification. The primary difference is packaging: EEU-TP1V221 is supplied in bulk packaging, while EEU-TP1V221B is supplied in cut tape (CT) packaging. Selection depends on procurement and assembly process requirements.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All active substitute parts listed are ROHS3 compliant. The original 227HSM035M is obsolete and does not carry ROHS3 certification. ROHS3 compliance is a standard requirement for new component procurement in most applications.

Q: Which substitute parts carry automotive qualification?

A: EEU-TP1V221, EEU-TP1V221B, EGXL350ELL221MJ16S, MAL214651221E3, and MAL214661221E3 all carry AEC-Q200 automotive qualification. These parts are suitable for automotive applications requiring qualified component status. The remaining parts (EEU-TA1V221, MAL214050221E3, MAL214060221E3, UBT1V221MPD8, UBW1V221MPD) do not carry automotive qualification but are suitable for general-purpose and industrial applications.

Q: What does "REACH Affected" status mean for the Nichicon parts?

A: REACH Affected status indicates that the part may contain substances of concern under the REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) regulation. This requires compliance verification with specific application requirements and regional regulations. REACH Unaffected parts (Panasonic, Chemi-Con, Vishay) do not contain such substances and may be preferred for applications with strict chemical compliance requirements.

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